Machine tool spindle bearings are high-precision and high-speed rotating bearings used to support and transmit the rotational motion of machine tool spindles. It is usually composed of inner and outer rings, rolling elements (such as balls or rollers) and
This latest 110cc kids ATV complete with all the same features of full-sized models. You get a dependable air-cooled, single cylinder, 4-stroke engine for ease of maintenance, convenient electric start and a smooth, easy to handle automatic transmission.
1, titanium cyclcorss bike frame with handing finish finished;2, taper head tube and BSA thread 1.37"X24T BB Shell;3, breeze dropout and PM disc barke;4, frame weight: 1.7kgAll our frame size can be made according to your requirements.